Python Manual

Playing around with iPython, I was surprised to discover that given a list f of objects each suppor… Read more In Python, Whats The Difference Between A List Comprehension With A List And A Tuple?

By using pdfkit-pythonbased on wkhtmltopdf, I have managed to convert MathJaxinto pdf. wkhtmltopdf … Read more Converting Mathjax Into Pdf With Wkhtmltopdf Yields Too Small Maths

I made a list of lists of possible combinations of n length from a list of items, and now I want to… Read more Adding Item To Dictionary Python With A Variable Name Key

When I input a value like '2015-08', my date_range works as intended. If I use the startdat… Read more Date_range Not Accepting The Variable I Want To Use?

Question: What does Python do under the hood when it sees this kind of expression? sum(sum(i) for… Read more Generator Expression Evaluation With Several ... For ... In ... Parts

Considering to Python Docs for typing why code below isn't working? >>> Vector = list[… Read more Example Code From Typing Library Causes Typeerror: 'type' Object Is Not Subscriptable, Why?

I am putting together Sphinx-driven (v1.3.1) documentation for a Python 2.7 project using autodoc a… Read more How Can I Apply :special-members: To Just One Class Inside An Automodule Directive?

In the following code, a random value is generated as expected: import random for i in range(10):… Read more Python Function Default Argument Random Value

I have a class QuestionView which is derived from the FormView class. Here is a code snippet to exp… Read more Updating Context Data In Formview Form_valid Method?

As a result of my previous question, I have coded this: def ConvertFileToAscii(args, filePath): … Read more Convert File To Ascii Is Throwing Exceptions

I want to do full integration testing for a web application. I want to test many things like AJAX, … Read more Integration Testing For A Web App

I'm working on a flask application which has a list of urls registered. I was able to run the f… Read more Unable To Access Flask Endpoints After Dockerizing The App

I need a structure for my little Python program to save a list of max 500 names with one number eac… Read more Is There A Dictionary-like Datastructure That Would Allow Searches For 'key' And For 'value'

On windows 7, with the newest numpy 1.13.3 and PYTHON 3.5, if I have an array called points, with s… Read more Numpy Savetxt Fails When Using File Handler

I would like to create a login system using python. This is a small project that I am doing so tha… Read more Python: Create Login System

I am hoping to find a way to write generated video (non-real time) from Python and mix it with exte… Read more Gstreamer: Status Of Python Bindings And Encoding Video With Mixed Audio

questionnumber=0 color=('Red') userask=input('What color of the rainbow am I thinking o… Read more Why Won't The While Loop Continue And Stop After A User Question?

Request from my local VSCode is something look like this: Host XXX.XX.XX.XXX HostName XXX.XX.XX.X… Read more Vscode Plotting From Remote Server Issue: Qt.qpa.xcb: Could Not Connect To Display

I am trying to implement a simpley portscanner with Python. It works by creating a number of worker… Read more Deadlock In Python Threads

My server is running great yesterday but now it returned a 502 error, how could this happen? In my … Read more Nginx Flask Aws 502 Bad Gateway

I currently have a model in NDB and I'd like to change the property name without necessarily to… Read more Proper Way To Migrate Ndb Model Property

Let's say I define class A: >>> class A: ... a = 1 ... class SubA: ... … Read more Python Class Inheritance And __dict__ Lookup

I'm playing around with tensorflow and ran into a problem with the following code: def _init_pa… Read more Tensor With Unspecified Dimension In Tensorflow

I received a url: https://www.packtpub.com/virtualization-and-cloud/citrix-xenapp®-75-desktop-virtu… Read more How To Deal With ® In Url For Urllib2.urlopen?

I want to know what a pyc file(python bytecode) is. I want to know all the details. I want to know … Read more Where To Use A Pyc File

I have the following code in a python script. parser.add_argument('ip_1', default='127… Read more Python Argumentparser - Error: Unrecognized Arguments: Ip_2 '127.0.0.1'`

May be I do not completely understand the concept of properties in python, but I am confused by th… Read more Python Setter Does Not Change Variable

I am trying to login to Instagram with python. I am able to get the csrf Token but the requests.Ses… Read more Python Instagram Login Using Requests

So I have a dataframe with 5 columns. I would like to pull the indices where all of the columns are… Read more Python Pandas Find All Rows Where All Values Are Nan

I wonder know what's the difference between a = 1 and a == a? i got two examples as following: … Read more Python - What's The Difference Between "=" And "=="?

I'm working on image color recognition, so I'm converting the RGB image to Lab because it&#… Read more How To Plot Graphics With The Colors Of Each Pixel In The Image?

These are my two lists; k = [[1, 2], [4], [5, 6, 2], [1, 2], [3], [4], [5,9]] kDash = [[1, 2], [4],… Read more Python - Intersection Of Two Lists Of Lists

I am trying to extract the occurrences of a string and of all the permutations of its characters fr… Read more Search For Permutation Of Characters Of A Substring In Python

I have this sample quiz question but not to sure how to approach it with while loops. Implement the… Read more Nearest Square Function With Python

Want to scale the voxel-dimensions with Matplotlib. How can I do this? import numpy as np import ma… Read more How To Scale The Voxel-dimensions With Matplotlib?

I have a working python script that does not display any warning messages because I have included, … Read more Pyinstaller Exe Hide Warning Messages

What are the steps needed to get syntax highlighting on .kv files in PyCharm on OSX? Solution 1: T… Read more How To Get Syntax Highlighting On Kivy, .kv, File In Pycharm On Osx?

I'm trying to dynamically fill a form in Python using Mechanize. However, when I inspected the … Read more Differentiating Between Html Form Select Items With The Same Name

When I try to install any .WHL from gohike by typing into the cmd C:\Users\owner\Downloads>pip i… Read more Pip Wont Install .whl Files

I'm trying to open a mdf sql database file that I have saved to my desktop. How do you open it … Read more How To Open A Sql Server .mdf File With Python (pandas)

I use this code to get acces to my link : links = soup.find('span', { 'class' : … Read more Extracting Href With Beautiful Soup

I'm trying to run klein with twisted, so I can run twisted scripts on different paths (exp: exa… Read more How Do I Run Klein With Twisted?

I'm making a game in which I want to have a save game feature. I have a sprite group which I wa… Read more How To Save A Pygame Sprite-group Using The Shelve Module

I have a variable that is function = '(2*1)+3'. How would I get it out of string form and c… Read more How To Calculate An Equation In A String, Python

I'm trying to calculate the dimensions of a text object, given the characters in the array, poi… Read more How To Calculate The Dimensions Of A Text Object In Python's Matplotlib

Hi i need to compare the float value in my project i am using the folowing code if style_score.sty… Read more How To Compare Float Value In In Django

I'm trying to do OCR using pytesser downloaded from HERE. Here is the code of pytesser.py try: … Read more Tesseractnotfound - Pytesser

in Python, you could do something like this: class SomeClass(object): pass s = SomeClass someClassI… Read more Php Passing A Class As A Reference?

# Class and Instance Variables class Dog: kind = 'canine' def __int__(self, name):… Read more Class Initialization Failing

I have a FormView view, with some additional GET context supplied using get_context_data(): class S… Read more Django: How To Pre-populate Formview With Dynamic (non-model) Data?

Using Maya 2018, how can I write a simple Python command that will toggle the outliner flag, 'i… Read more In Maya, How Can I Toggle The 'ignore Hidden In Outliner' Flag Using Python?

I am somewhat new to Python and can't for the life of me figure out why the following code isn’… Read more Bs4 Not Locating Element In Python

How can I run a batch file with Python (in the same directory as the Python scripts)? Note that the… Read more Running A File In The Same Directory As The Invoking Python Module Or Script

Given three dicts d1, d2 and d3: d1 {'a':1,'b':2,'c':3, 'd':0) d2 … Read more How To Combine Multiple Dicts, Summing The Values Of Common Keys (and Retaining Those With Value 0) In Python?

I would like to solve the error: IndexError: index 3 is out of bounds for axis 1 with size 3 fro… Read more Indexerror: Index 3 Is Out Of Bounds For Axis 1 With Size 3

I am new to Python and apologize in advance, if it is too simple. Cannot find anything and this que… Read more Saving Oversampled Dataset As Csv File In Pandas

I am trying to get a feel for the Flask microframework by launching a test application to local ser… Read more Python Script: Problems With Shebang Line (unix)

I need to start a long-running background process with subprocess when someone visits a particular … Read more Stop A Background Process In Flask Without Creating Zombie Processes

class Bank: def __init__(self, name, balance=0): self.name = name self.balance… Read more How To Access Instance Object In List And Display There Data? In Python

I've been struggling with what I thought would be a simple task: Adding a video to a youtube pl… Read more Youtube Api: Adding Videos To A Playlist With The New 32 Character Playlist Id

Suppose I have two lists as follows:- a = [9,11,12,13] b = [0,5] Now, I want to create another li… Read more List Insertion In Python

I've been using django built-in pagination (is_paginated) in few of my pages. They are all work… Read more Is_paginated Not Working For Django Generic Views

I have a simple python method which will generate a highcharts json @app.route('/make/a/chart&#… Read more Using Flask Render_template To Make A Highchart On The Front End

I'm having some trouble with formatting the pyramid. I've tried to use format when printing… Read more How To Do Print Formatting In Python With Chunks Of Strings?

I am trying to do some video stream from my raspberry pi over the wifi. I used pygame, because i al… Read more How To Display Pil Image With Pygame?

My code is returning a type error when I try to implement a clustering algorithm. I have tried alte… Read more Returning Typeerror: 'list' Object Is Not Callable

I have a python script in the same folder as a video I want to convert to a numpy array. My video … Read more How To Turn A Video Into Numpy Array?

I'm making a virtual machine in RPython using PyPy. My problem is, that I am converting each ch… Read more Rpython Ord() With Non-ascii Character

I have a list of lists called bi_grams and I want the frequency of each bigram. The length of bi_gr… Read more Frequency Of Items Within List Of Lists

I have been trying to install PyGame onto my Mac on Catalina and can't figure out how to. The e… Read more Error When Installing Pygame On Mac (catalina)

I have one csv like id,value 1,100 1,150 1,200 1,250 2,300 2,350 2,400 2,450 I want to generate on… Read more Divide Value Of Next Row And Create Column In Dataframe